DE3482763D1 - Geraet und verfahren zum kodieren, dekodieren, analysieren und synthesieren eines signals. - Google Patents

Geraet und verfahren zum kodieren, dekodieren, analysieren und synthesieren eines signals.

Info

Publication number
DE3482763D1
DE3482763D1 DE8484903016T DE3482763T DE3482763D1 DE 3482763 D1 DE3482763 D1 DE 3482763D1 DE 8484903016 T DE8484903016 T DE 8484903016T DE 3482763 T DE3482763 T DE 3482763T DE 3482763 D1 DE3482763 D1 DE 3482763D1
Authority
DE
Germany
Prior art keywords
synthesizing
decoding
coding
analyzing
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8484903016T
Other languages
English (en)
Inventor
Bu-Chin Wang
S Narayan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of DE3482763D1 publication Critical patent/DE3482763D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE8484903016T 1983-07-26 1984-07-23 Geraet und verfahren zum kodieren, dekodieren, analysieren und synthesieren eines signals. Expired - Lifetime DE3482763D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/517,537 US4672670A (en) 1983-07-26 1983-07-26 Apparatus and methods for coding, decoding, analyzing and synthesizing a signal
PCT/US1984/001177 WO1985000686A1 (en) 1983-07-26 1984-07-23 Apparatus and methods for coding, decoding, analyzing and synthesizing a signal

Publications (1)

Publication Number Publication Date
DE3482763D1 true DE3482763D1 (de) 1990-08-23

Family

ID=24060212

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484903016T Expired - Lifetime DE3482763D1 (de) 1983-07-26 1984-07-23 Geraet und verfahren zum kodieren, dekodieren, analysieren und synthesieren eines signals.

Country Status (5)

Country Link
US (1) US4672670A (de)
EP (1) EP0152430B1 (de)
JP (2) JPH0632036B2 (de)
DE (1) DE3482763D1 (de)
WO (1) WO1985000686A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3374109D1 (en) * 1983-10-28 1987-11-19 Ibm Method of recovering lost information in a digital speech transmission system, and transmission system using said method
EP0163829B1 (de) * 1984-03-21 1989-08-23 Nippon Telegraph And Telephone Corporation Sprachsignaleverarbeitungssystem
JPS61134000A (ja) * 1984-12-05 1986-06-21 株式会社日立製作所 音声分析合成方式
IT1184023B (it) * 1985-12-17 1987-10-22 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante analisi a sottobande e quantizzazione vettorariale con allocazione dinamica dei bit di codifica
EP0243562B1 (de) * 1986-04-30 1992-01-29 International Business Machines Corporation Sprachkodierungsverfahren und Einrichtung zur Ausführung dieses Verfahrens
US4797925A (en) * 1986-09-26 1989-01-10 Bell Communications Research, Inc. Method for coding speech at low bit rates
GB8628046D0 (en) * 1986-11-24 1986-12-31 British Telecomm Transmission system
WO1988010489A1 (en) * 1987-06-24 1988-12-29 Sound Memory Corporation Digital recording and playback module system
US5045327A (en) * 1987-06-24 1991-09-03 Sound Memory Corporation Digital recording and playback module system
DE3850885D1 (de) * 1987-10-09 1994-09-01 Sound Entertainment Inc Spracherzeugung aus digital gespeicherten koartikulierten sprachsegmenten.
JPH01177227A (ja) * 1988-01-05 1989-07-13 Toshiba Corp 音声コーデック
US5611038A (en) * 1991-04-17 1997-03-11 Shaw; Venson M. Audio/video transceiver provided with a device for reconfiguration of incompatibly received or transmitted video and audio information
AU639646B2 (en) * 1991-05-28 1993-07-29 Sound Memory Corporation Digital recording and playback module system
DE69233502T2 (de) * 1991-06-11 2006-02-23 Qualcomm, Inc., San Diego Vocoder mit veränderlicher Bitrate
WO1993023951A1 (de) * 1992-05-12 1993-11-25 Nokia (Deutschland) Gmbh Übertragungsanordnung für die übertragung eines auf eine trägerschwingung aufmodulierten nutzsignales
JPH06197084A (ja) * 1992-12-25 1994-07-15 Takayama:Kk 音声転送方法
TW271524B (de) 1994-08-05 1996-03-01 Qualcomm Inc
US5742734A (en) * 1994-08-10 1998-04-21 Qualcomm Incorporated Encoding rate selection in a variable rate vocoder
JP2940464B2 (ja) * 1996-03-27 1999-08-25 日本電気株式会社 音声復号化装置
US5751901A (en) * 1996-07-31 1998-05-12 Qualcomm Incorporated Method for searching an excitation codebook in a code excited linear prediction (CELP) coder
US6021325A (en) * 1997-03-10 2000-02-01 Ericsson Inc. Mobile telephone having continuous recording capability
US6691084B2 (en) 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
SE9903553D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US7039581B1 (en) * 1999-09-22 2006-05-02 Texas Instruments Incorporated Hybrid speed coding and system
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
WO2003046891A1 (en) 2001-11-29 2003-06-05 Coding Technologies Ab Methods for improving high frequency reconstruction
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
US7369603B2 (en) * 2003-05-28 2008-05-06 Intel Corporation Compensating for spectral attenuation
EP4134953A1 (de) * 2016-04-12 2023-02-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer zur codierung eines audiosignals, verfahren zur codierung eines audiosignals und computerprogramm unter berücksichtigung eines erfassten spitzenspektrums in einem oberen frequenzband

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3071652A (en) * 1959-05-08 1963-01-01 Bell Telephone Labor Inc Time domain vocoder
US3750024A (en) * 1971-06-16 1973-07-31 Itt Corp Nutley Narrow band digital speech communication system
NL7410763A (nl) * 1974-08-12 1976-02-16 Philips Nv Digitaal transmissiestelsel voor het met een lage pulsfrequentie(bit-rate)overdragen van gespreks- signalen en een zender voor toepassing in zulk een stelsel.
NL7503176A (nl) * 1975-03-18 1976-09-21 Philips Nv Overdrachtsstelsel voor gesprekssignalen.
US4038495A (en) * 1975-11-14 1977-07-26 Rockwell International Corporation Speech analyzer/synthesizer using recursive filters
DE2855395C2 (de) * 1978-12-21 1980-03-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Nachrichtenübertragungssystem
JPS5921039B2 (ja) * 1981-11-04 1984-05-17 日本電信電話株式会社 適応予測符号化方式

Also Published As

Publication number Publication date
JPH0683392A (ja) 1994-03-25
JPS60501918A (ja) 1985-11-07
WO1985000686A1 (en) 1985-02-14
EP0152430B1 (de) 1990-07-18
EP0152430A1 (de) 1985-08-28
JPH0675240B2 (ja) 1994-09-21
US4672670A (en) 1987-06-09
EP0152430A4 (de) 1986-11-21
JPH0632036B2 (ja) 1994-04-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee